Remove/Install Valve Springs - AR05.30-P-3021MRD
Engine 274.9 in model 213
Engine 274.9 in model 238
| Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil | Wear protective gloves, protective clothing and safety glasses. Do not fill engine oil into beverage containers. |
AS18.00-Z-0001-01A | |
| Risk of injury caused by scraping or cutting body parts on sharp vehicle parts | Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels. |
AS00.00-Z-0017-01A | |
| Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | ||
| Remove/install | |||
| 1 | Remove cylinder head (1) | AR01.30-P-5800MRD | |
| 2 | Remove valve clearance compensating element | AR05.00-P-2013MRD | |
| 3 | Mount cylinder head (1) onto assembly device (01) | Before commissioning ensure that the counterholder (02) for the Otherwise, the cylinder head (1) will be damaged. |
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| Fig 4 | |||
| 4 | Attach assembly lever (03) with depressor (04) to sliding piece (05), put depressor (04) onto upper valve spring retainer (2) vertically and align sliding piece (05) | Fig 5 | |
| Fig 3 | |||
| 5 | Push the air suspension bellows of the assembly device (01) with a lever (06) until this stands in the middle over the combustion chamber of the respective valves (6) | Ensure that spring bellows for The valves (6) will otherwise be damaged. |
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| 6 | Connect compressed air to assembly device (01) and open compressed air valve | ||
| 7 | Compress valve spring (3) with assembly lever (03) | ||
| 8 | Remove valve keepers (4) | ||
| Fig 2 | |||
| 9 | Remove upper valve spring retainer (2) and valve spring (3) | ||
| Check | |||
| 10 | Check valve springs (3) for damage | If damage is present ↓ Replace all valve springs (3). |
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| 11 | Check upper valve spring retainer (2) and lower valve spring retainer (7) for score marks, cracks and pitting | In there are score marks, cracks or pitting ↓ Replace upper and lower valve spring retainers (2, 7). |
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| 12 | Check valve stems for ridging and pitting | For ridging on the valve stems ↓ Deburr valve stems. For pittings on valve stems ↓ Replace valves (6). |
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| 13 | Install in the reverse order |